html, body {
    margin: 0;
    padding: 0;
}
.container {
    display: flex;
    justify-content: center;
    align-items: center;
    flex-direction: column;
    height: 100vh;
}
.login-content {
    position: relative;
    margin: 0 auto;
    background-color: #ffffff;
    width: 500px;
    height: 600px;
    display: flex;
    justify-content: center;
    align-items: center;
}
.input-login {
    border: 1px solid #e1e0e3;
    background-color: #ffffff;
    color: rgba(0,0,0,.5);
    width: 345px;
    height: 385px;
    border-radius: 10px;
    padding: 30px;
    box-sizing: border-box;
    display: flex;
    flex-direction: column;
    justify-content: space-around;
}
.login-title {
    user-select: none;
    font-size: 28px;
}
.input-item {
    width: 100%;
    overflow: hidden;
}
.input-login-value {
    background-color: #ffffff;
    border-bottom: 1px solid rgba(0,0,0,.5);
    color: #252B3A;
}
.input-value {
    font-weight: bold;
    font-size: 18px;
    line-height: 38px;
    height: 38px;
    width: 100%;
    border-top: none;
    border-left: none;
    border-right: none;
}
.input-login-value:focus {
    border-top: none;
    border-left: none;
    border-right: none;
    border-bottom: 2px solid #526ECC;
    outline: none;
    caret-color: #526ECC;
}
.input-login-value::placeholder {
    font-size: 20px;
    color: rgba(0,0,0,.5);
    font-weight: normal;
}
.input-login-btn {
    width: 100%;
    height: 45px;
    background-color: #526ECC;
    border: 2px solid #526ECC;
    color: #ffffff;
    font-size: 20px;
    border-radius: 3px;
}
.text-align {
    text-align: center;
}
.focus-title {
    display: none;
    font-size: 14px;
    height: 25px;
    line-height: 25px;
    text-align: left;
}
.focus-login-title, .focus-register-title {
    color: #252B3A;
}
.title-left {
    width: 50%;
    float: left;
    text-align: left;
}
.title-right {
    width: 50%;
    float: right;
    text-align: right;
}
.message-content {
    display: none;
    background-color: rgba(0, 0, 0, 0.2);
    width: 100%;
    height: 100vh;
    position: absolute;
    z-index: 999;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}
.message-modal{
    width: 300px;
    height: 200px;
    position: absolute;
    z-index: 999;
    top: 50%;
    left: 50%;
    background-color: #fff;
    border: 1px solid #dfe1e6;
    border-radius: 5px;
    transform: translate(-50%, -50%);
}
.header-content {
    position: fixed;
    top: 0px;
    text-align: center;
    font-size: 16px;
    height: 20%;
    width: 100%;
}
.body-content {
    text-align: center;
    height: 40%;
    margin-top: 20%;
}
.footer-content {
    height: 20%;
    border-top: 1px solid #dfe1e6;
    display: flex;
    justify-content: space-around;
    position: fixed;
    bottom: 0;
    width: 100%;
}
